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Heart|Natural|GIA

4.26ct J SI1 Heart Natural Diamond

EX • J/SI1 • GIA 5242046802

Certificate GIA 5242046802

Diamond specifications and retailer prices

From HK$305,471 HKD
As of November 6, 2026
Save HK$272,101 HKD (47%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$577,572 HKD at MOH London · As of November 4, 2026
View at MOH London

About this 4.26ct natural heart diamond

This 4.26ct natural heart sits in the three to five carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 5242046802. Listed at 20 retailers as of November 4, 2026, with prices from HK$305,471 to HK$577,572, a HK$272,101 spread on the same certified stone. MOH London lists it at HK$577,572. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

4.26
Carat
J
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 5242046802
Dimensions9.81 × 11.49 × 6.73 mm
L/W Ratio1.17
Girdle conditionFaceted
Top View
9.81 mm11.49 mm4.26 ctJ / SI1
OriginNatural
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5242046802
Side View
Table 59.0%CrownGirdle: MED-VTKPavilionCulet: NoneDepth 58.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: HK$577,572 HKD|Low: HK$302,861 HKD|High: HK$582,220 HKD|Avg: HK$383,411 HKD|+1.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
November 6, 2026
Retailer 18HK$305,471 HKD
Retailer 4HK$319,656 HKD
Retailer 17HK$326,506 HKD
Retailer 6HK$326,796 HKD
Retailer 2HK$334,626 HKD
Retailer 7HK$336,248 HKD
Retailer 14HK$338,544 HKD
Retailer 3HK$339,908 HKD
Retailer 13HK$343,223 HKD
Retailer 16HK$355,128 HKD
Retailer 8HK$359,266 HKD
Retailer 15HK$362,245 HKD
Retailer 5HK$367,472 HKD
Retailer 9HK$386,258 HKD
Retailer 11HK$400,922 HKD
Retailer 10HK$430,947 HKD
Retailer 12HK$461,466 HKD
MOH LondonHK$577,572 HKD

24 data points across 18 retailers

20 retailersHK$305,471 HKD to HK$577,572 HKD

B+
Cheapest Retailer
-
HK$305,471 HKD
B+
Retailer 2
-
HK$319,656 HKD
View
Retailer 3
-
HK$326,498 HKD
View
Price last confirmed 27 days ago
B+
Retailer 4
-
HK$326,506 HKD
View
B+
Retailer 5
-
HK$326,796 HKD
View
B+
Retailer 6
-
HK$334,626 HKD
View
B
Retailer 7
-
HK$336,248 HKD
View
B+
Retailer 8
-
HK$338,544 HKD
View
Retailer 9
-
HK$339,211 HKD
View
Price last confirmed 33 days ago
B+
Retailer 10
-
HK$339,908 HKD
View
Final sale: no returns
B+
Retailer 11
-
HK$343,223 HKD
View
B+
Retailer 12
-
HK$355,128 HKD
View
B+
Retailer 13
-
HK$359,266 HKD
View
B+
Retailer 14
-
HK$362,245 HKD
View
B+
Retailer 15
-
HK$367,472 HKD
View
B
Retailer 16
-
HK$386,258 HKD
View
B
Retailer 17
-
HK$400,922 HKD
View
B
Retailer 18
-
HK$430,947 HKD
View
B
Retailer 19
-
HK$461,466 HKD
View
Most Expensive
B
MOH London
D2BA167B6 · Nov 4
HK$577,572 HKD
£58,027 GBP
View
19 more retailers have this diamond
Prices start from HK$305,471 HKDSave up to HK$272,101 HKD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
4.26ct Heart
HK$305,471 HKD